../ dmsp_08_ephemeris_19920508.txt 21-Jun-2023 23:44 109481 dmsp_09_ephemeris_19920508.txt 21-Jun-2023 23:44 109333 dmsp_10_ephemeris_19920508.txt 21-Jun-2023 23:44 109621 dmsp_11_ephemeris_19920508.txt 21-Jun-2023 23:44 109797